Incident Score: Analysis & Impact (SENKASADL1769023372)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of SentinelOne's Cyber Attack and lateral movement inside company's environment.
- Overview of affected data sets, including SSNs and PHI, and why they materially increase incident severity.
- How Rankiteo’s incident engine converts technical details into a normalized incident score.
- How this cyber incident impacts SentinelOne Rankiteo cyber scoring and cyber rating.
- Rankiteo’s MITRE ATT&CK correlation analysis for this incident, with associated confidence level.
Full Incident Analysis Transcript
In this Rankiteo incident briefing, we review the SentinelOne breach identified under incident ID SENKASADL1769023372.
The analysis begins with a detailed overview of SentinelOne's information like the linkedin page: https://www.linkedin.com/company/sentinelone, the number of followers: 378624, the industry type: Computer and Network Security and the number of employees: 3119 employees
After the initial compromise, the video explains how Rankiteo's incident engine converts technical details into a normalized incident score. The incident score before the incident was 769 and after the incident was 754 with a difference of -15 which is could be a good indicator of the severity and impact of the incident.
In the next step of the video, we will analyze in more details the incident and the impact it had on SentinelOne and their customers.
A newly reported cybersecurity incident, "Cybercriminals Weaponize Legitimate Windows Driver to Disable Security Tools in Large-Scale Attacks", has drawn attention.
A sophisticated cyberattack campaign is exploiting a trusted Windows kernel driver *truesight.sys*, part of Adlice Software’s RogueKiller antivirus, to disable endpoint detection and response (EDR) and antivirus solutions before deploying ransomware or remote access malware.
The disruption is felt across the environment, affecting Windows systems (including Windows 11).
Formal response steps have not been shared publicly yet.
Overall, the incident is a reminder of why proactive monitoring and strong governance matter.
Finally, we try to match the incident with the MITRE ATT&CK framework to see if there is any correlation between the incident and the MITRE ATT&CK framework.
The MITRE ATT&CK framework is a knowledge base of techniques and sub-techniques that are used to describe the tactics and procedures of cyber adversaries. It is a powerful tool for understanding the threat landscape and for developing effective defense strategies.
MITRE ATT&CK® Correlation Analysis
Rankiteo's analysis has identified several MITRE ATT&CK tactics and techniques associated with this incident, each with varying levels of confidence based on available evidence. Under the Initial Access tactic, the analysis identified Phishing (T1566) with high confidence (90%), supported by evidence indicating infection chain typically begins with phishing emails, Drive-by Compromise (T1189) with moderate to high confidence (80%), supported by evidence indicating fake download sites...tricking users into running a disguised installer, and Supply Chain Compromise: Compromise Software Dependencies and Development Tools (T1195.003) with moderate to high confidence (70%), supported by evidence indicating compromised Telegram channels...to deploy ransomware or remote access malware. Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with high confidence (90%), supported by evidence indicating tricking users into running a disguised installer and Command and Scripting Interpreter: PowerShell (T1059.001) with moderate confidence (50%), supported by evidence indicating dLL side-loading and scheduled tasks for persistence. Under the Persistence tactic, the analysis identified Scheduled Task/Job: Scheduled Task (T1053.005) with high confidence (90%), supported by evidence indicating establishes persistence via scheduled tasks, Create or Modify System Process: Windows Service (T1543.003) with high confidence (90%), supported by evidence indicating installs the TrueSight driver as a Windows service (TCLService), and Hijack Execution Flow: DLL Side-Loading (T1574.002) with moderate to high confidence (80%), supported by evidence indicating dLL side-loading for persistence. Under the Privilege Escalation tactic, the analysis identified Exploitation for Privilege Escalation (T1068) with high confidence (90%), supported by evidence indicating abusing legacy driver signing rules to load pre-2015 signed drivers and Create or Modify System Process: Windows Service (T1543.003) with moderate to high confidence (80%), supported by evidence indicating kernel-level privileges via TrueSight driver. Under the Defense Evasion tactic, the analysis identified Impair Defenses: Disable or Modify Tools (T1562.001) with high confidence (100%), supported by evidence indicating disable endpoint detection and response (EDR) and antivirus solutions, Valid Accounts: Local Accounts (T1078.003) with moderate to high confidence (70%), supported by evidence indicating kernel-level privileges to terminate security processes undetected, Masquerading: Match Legitimate Name or Location (T1036.005) with high confidence (90%), supported by evidence indicating validly signed variants of the vulnerable driver *truesight.sys*, Modify Registry (T1112) with moderate confidence (60%), supported by evidence indicating dLL side-loading and scheduled tasks for persistence, and Obfuscated Files or Information (T1027) with moderate to high confidence (80%), supported by evidence indicating deploys an obfuscated EDR killer module. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with high confidence (90%), supported by evidence indicating deploying ransomware like HiddenGh0st and Inhibit System Recovery (T1490) with moderate to high confidence (80%), supported by evidence indicating terminate nearly 200 security products, leaving systems exposed. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating possible data exfiltration mentioned in ransomware context. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- SentinelOne Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/sentinelone/incident/SENKASADL1769023372
- SentinelOne CyberSecurity Rating page: https://www.rankiteo.com/company/sentinelone
- SentinelOne Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/senkasadl1769023372-sentinelone-kaspersky-adlice-software-cyber-attack-june-2015/
- SentinelOne CyberSecurity Score History: https://www.rankiteo.com/company/sentinelone/history
- SentinelOne CyberSecurity Incident Source: https://cybersecuritynews.com/hackers-weaponized-2500-security-tools/
- Rankiteo A.I CyberSecurity Rating methodology: https://www.rankiteo.com/Images/rankiteo_algo.pdf
- Rankiteo TPRM Scoring methodology: https://static.rankiteo.com/model/rankiteo_tprm_methodology.pdf